The Viagra is a business of 1 trillion of dollars to the year, but its
origin was plus an accident that a planned investigation to treat the
eréctil disfunción.
The Viagra (also commercialized as Revatio) is a drug developed by the
Pfizer laboratories, used to treat the eréctil disfunción
(impotence) and the pulmonary arterial hypertension. They are tablets
of blue color that come in 25mg, 50mg and 100mg. [1]
The Sildenafil or Citrato de Sildenafil, initially was known as component
UK-92,480 and was developed in the Pfizer laboratories to deal with the
angina chest (a cardiovascular disease). In first stage of the clinical
tests the drug I turn out to have few effects in the angina, but it could
induce noticeable masculine erections. The company decided then to commercialize
it to treat the eréctil disfunción instead of the angina.
The drug was patented in 1996, approved by the FDA the 27 of March of
1998 and offered for the sale in the United States later that year. Soon
one became success: The annual sales of the Viagra between 1999 and 2001
exceed the trillion dollars. The name “Viagra”, like the
name of many drugs, is a trade invention but vyaghra” in sánscrito
was possibly inspired by the word “, that means “Tiger”.
The Viagra inhibits the production of an enzyme that limits the amount
of nitric oxide, which causes a greater concentration of blood towards
the member and is in an erection. But evidently it has effects on other
organs of the body because the enzyme that inhibits not only finds in
the penis. This means that it can cause to collateral indirect effect
like headaches, reddened face and a bluish dye in the vision
At the moment hundreds of companies create products similar to the Viagra,
of which many are of doubtful origin, arriving to be falsifications and
simple placebos, at the moment single a small group of these companies
commercializes I authenticate Viagra product, and generic Viagra, that
comes to be a product with equal composition and effects changing the
mark and the form, if he is not safe of the reliability of some of these
companies, does not buy the drug under no concept
The information that you will find in these articles does not try to
replace the necessary medical advice or the necessity of a medical professional
treatment for an ailment or transtorno in its health.
It always must consult to a doctor before any doubt on his health and
before beginning a new treatment with medicines, diet or program of physical
exercise.
The use of these drugs: Viagra (impotence), Cialis (impotence), Levitra (impotence), Propecia (alopecia), Xenical, acomplia, Reductil (lose
weight), Valium, Prozac Zyban (stress),
(quitting), must be approved and revised its use by physicians, not
to gamble with their lives, get in the hands of his doctor.
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